Air polishing: a review of current literature.

PURPOSE: Routine tooth polishing continues to be an integral part of clinical practice even though the concept of selective polishing was introduced in the 1980s. This procedure assists in the removal of stains and plaque biofilm and provides a method for applying various medicaments to the teeth, such as desensitizing agents. Use of traditional polishing methods, i.e. a rubber-cup with prophylaxis paste, has been shown to remove the fluoride-rich outer layer of the enamel and cause significant loss of cementum and dentin over time. With the growing body of evidence to support alternative tooth polishing methods, dental hygiene practitioners should familiarize themselves with contemporary methods including air polishing. The purpose of this review is to provide a comprehensive overview of recent advancements in air polishing. The effect of air-powder polishing on hard and soft tissues, restorative materials, sealants, orthodontic appliances and implants, as well as health risks and contraindications to air polishing are discussed. A comprehensive computer based search made use of the following databases: CINAHL, Ovid Medline and PubMed. Articles that were not available on these sites were requested from Wilson Interlibrary.